package cn.biwysh.exam.servlet;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class Logout extends HttpServlet {

	private static final long serialVersionUID = 1L;

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
	{
		HttpSession session = request.getSession(false);
		session.setAttribute("user", null);
		response.sendRedirect("login.do");
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
	{
		doGet(request, response);
	}

}
